"""Unit tests for sagemaker.serve.utils.packaging module."""
import unittest
from unittest.mock import patch
from sagemaker.serve.utils.packaging import package_inference_code


class TestPackageInferenceCode(unittest.TestCase):
    """Test cases for package_inference_code function."""

    @patch('sagemaker.serve.utils.packaging.logger')
    def test_package_inference_code_logs_warning(self, mock_logger):
        """Test that package_inference_code logs a warning."""
        package_inference_code()
        mock_logger.warning.assert_called_once_with(
            "package_inference_code is not yet fully implemented"
        )

    @patch('sagemaker.serve.utils.packaging.logger')
    def test_package_inference_code_with_args(self, mock_logger):
        """Test package_inference_code with positional arguments."""
        package_inference_code("arg1", "arg2")
        mock_logger.warning.assert_called_once()

    @patch('sagemaker.serve.utils.packaging.logger')
    def test_package_inference_code_with_kwargs(self, mock_logger):
        """Test package_inference_code with keyword arguments."""
        package_inference_code(key1="value1", key2="value2")
        mock_logger.warning.assert_called_once()

    @patch('sagemaker.serve.utils.packaging.logger')
    def test_package_inference_code_returns_none(self, mock_logger):
        """Test that package_inference_code returns None."""
        result = package_inference_code()
        self.assertIsNone(result)


if __name__ == "__main__":
    unittest.main()
